Patents by Inventor Toshihiko Nakagawara

Toshihiko Nakagawara has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Optical module
    Patent number: 7330648
    Abstract: There is provided an optical module having a circuit board that includes an imaging element, a lens barrel that is fixed onto the circuit board to movably accommodate a lens holder having a lens that forms an image on an imaging surface of an imaging element in a light axis direction, a cylindrical cam having a cam surface engaged with a protrusion disposed in the outside of the lens barrel and extending from a side face of the lens holder to move the lens holder, and a drive section in which an actuator drives the cylindrical cam via a gear train and also having a cover that integrally covers the lens barrel and the actuator and determines the positional relationship between the lens barrel and the drive section.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: February 12, 2008
    Assignee: Seiko Precision Inc.
    Inventors: Shinji Morinaga, Toshihiko Nakagawara
  • Optical module
    Publication number: 20060216014
    Abstract: There is provided an optical module having a circuit board that includes an imaging element, a lens barrel that is fixed onto the circuit board to movably accommodate a lens holder having a lens that forms an image on an imaging surface of an imaging element in a light axis direction, a cylindrical cam having a cam surface engaged with a protrusion disposed in the outside of the lens barrel and extending from a side face of the lens holder to move the lens holder, and a drive section in which an actuator drives the cylindrical cam via a gear train and also having a cover that integrally covers the lens barrel and the actuator and determines the positional relationship between the lens barrel and the drive section.
    Type: Application
    Filed: April 21, 2006
    Publication date: September 28, 2006
    Applicant: Seiko Precision Inc.
    Inventors: Shinji Morinaga, Toshihiko Nakagawara
  • Ink ribbon cassette
    Patent number: D361589
    Type: Grant
    Filed: June 3, 1993
    Date of Patent: August 22, 1995
    Assignee: Seikosha Co., Ltd.
    Inventors: Tadashi Yasuoka, Toshihiko Nakagawara